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Clean up some code

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This commit is contained in:
Justine Tunney 2022-08-20 12:32:51 -07:00
parent a51edaa0db
commit 83d41e4588
114 changed files with 172 additions and 279 deletions
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52
libc/sock/sockatmark.c Normal file
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@ -0,0 +1,52 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/strace.internal.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/nt/winsock.h"
#include "libc/sock/sock.h"
#include "libc/sysv/consts/sio.h"
static textwindows int sockatmark_nt(int64_t fd) {
bool32 res;
uint32_t bytes;
if (WSAIoctl(fd, SIOCATMARK, 0, 0, &res, sizeof(res), &bytes, 0, 0) != -1) {
return !res;
} else {
return -1;
}
}
/**
* Returns true if out of band data is available on socket for reading.
*
* @return 1 if OOB'd, 0 if not, or -1 w/ errno
*/
int sockatmark(int fd) {
int rc;
if (!IsWindows()) {
if (sys_ioctl(fd, SIOCATMARK, &rc) == -1) {
rc = -1;
}
} else {
rc = sockatmark_nt(fd);
}
STRACE("sockatmark(%d) → %d% m", fd, rc);
return rc;
}